Here is the performance stats of the solution by Parth for TSQL Challenge18.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 9 2010 12:00AM | 107429 | 2 | 1232 | 2.590 |
| 2 | Apr 9 2010 12:25AM | 107429 | 2 | 1405 | 2.563 |
| 3 | Apr 9 2010 12:49AM | 107432 | 2 | 1310 | 2.473 |
| 4 | Apr 9 2010 1:13AM | 107432 | 2 | 1498 | 4.897 |
| 5 | Apr 9 2010 1:37AM | 107432 | 2 | 1248 | 2.245 |